Back in July, [article id="1615167"]Kevin Jonas asked longtime girlfriend Danielle Deleasa to marry him[/article]. She said yes and fans everywhere knew there was one less Jonas brother they had a chance with. And according to several online reports -- which the group's rep had not confirmed to MTV News at press time -- [artist id="2351110"]Jonas[/artist] and Deleasa will marry on Saturday.

E! News reported that the pair will tie the knot on Saturday at the same castle in Long Island where 'NSYNC's Joey Fatone got married, and where scenes from Cameron Diaz and Ashton Kutcher's "What Happens in Vegas" were filmed.

Radar Online reported that the brothers' pal and touring mate [artist id="3079280"]Demi Lovato[/artist] is set to be a guest at the wedding. The pair will have a rehearsal dinner on Friday night that will include a roller-skating rink, the site added. Guests at the wedding reception will dine on filet mignon, sea bass, chicken and a vegetable tart.

Nick has said that both [article id="1628239"]he and Joe will be Kevin's best men[/article] at the wedding. And, he recently revealed that he was excited to help plan his older brother's big day. "It's an exciting time for him. He's engaged now and they're working on planning everything," Nick explained. "Well, Joe and I are the best men and so, yes, we definitely have to help. [Kevin] really enjoys the planning. He's enjoying it and I'm happy for him."

Jonas and Deleasa, a former hairdresser from New Jersey, met in 2007 while their families were vacationing in the Bahamas. She admitted that, at the time, she didn't even know who the Jonas Brothers were. Kevin pursued Deleasa after he spotted her on the beach.